Plectranthias xanthomaculatus Wu, Randall & Chen 2011

Body slightly elongated for genus, depth 3.2 in SL, and compressed, width 1.55 in body depth; dorsal profile of head moderately convex, forming an angle of about 20° to horizontal; head length 2.3 in SL; snout length 4.4 in HL; orbit diameter 3.5 in HL; bony interorbital width very narrow, 13.4 in HL; least depth of caudal peduncle 3.75 in HL; caudal peduncle length 2.0 in HL (Ref. 86539).Diagnosis: Dorsal fin X, 14; pectoral fin 15; lateral-line complete, scales 30; snout naked; maxilla scaly; body depth 3.2 in SL; no antrorse spine on ventral margin of preopercle, posterior margin smooth; margins of opercle, interopercle, and subopercle smooth; canine teeth in jaws; 4th and 5th dorsal spines longest; head and body deep-pink when fresh, with large yellow blotches; yellow bands on head, and mainly yellow fins (Ref. 86539).

Dorsal spines (total): 10; Dorsal soft rays (total): 14; Anal spines: 3; Analsoft rays: 7

目前僅之分布於台灣西南海域。

小型花鱸，不具經濟性之魚種。

背鰭X, 14，第四及第五背鰭棘最長；胸鰭鰭條15，除最上方鰭條外皆分叉；臀鰭III, 7；側線鱗30。吻端光滑不具鱗；上頜具鱗；體略為延長，體長為體高之3.2倍；前鰓蓋骨腹緣及後緣光滑不具棘。主鰓蓋骨、間鰓蓋骨及下鰓蓋骨外緣皆為光滑。兩頜具犬齒。尾鰭上下不對稱，上半部較參差，第二及第五主要鰭條向後延伸，下半部較圓。新鮮時上半部體色為紅色，下半部為淡粉紅色，具有許多黃色大斑塊，其中四個延伸至第一背鰭基部，各鰭皆黃。

主要棲息於較深水域的岩礁區。底棲性。

Plectranthias xanthomaculatus is a species of fish in the family Serranidae occurring in the North West Pacific Ocean.